Annotated edit history of
DeCompiler version 4 showing authors affecting page license.
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AristotlePagaltzis |
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A [DeCompiler] tries to transform a program available in MachineCode to the ProgrammingLanguage it was originally written in. |
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StuartYeates |
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AristotlePagaltzis |
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When the MachineCode is that of a VirtualMachine, as is the case with [Java] class files, it is usually relatively close to the source language. [Compiler]s for such languages also usually do relatively little in the way optimisation. In such cases, decompilation is quite viable, often outright trivial. |
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Contrast with cases when the MachineCode is that of a real silicon [CPU], as is usually the case with [C] code. Such a target language is usually far apart from the source language, and most [Compiler]s optimise quite aggressively. Therefor, it is at least very hard, if not impossible, to infer the language constructs used in the original source code by just looking at the [Compiler] generated MachineCode. |
